Revert "shadertools: Describe some ideas around gl program binaries"

This reverts commit 2676ad23.

src/rhi/qrhigles2.cpp

@@ -1401,18 +1401,6 @@ bool QGles2GraphicsPipeline::build()
         if (!isVertex && !isFragment)
             continue;
 
-        if (isVertex) {
-            bool gotProgramBinary = false;
-            for (const QBakedShader::ShaderKey &skey : shaderStage.shader.availableShaders()) {
-                if (skey.source == QBakedShader::OpenGLProgramBinary) {
-                    // ###
-                    //gotProgramBinary = true;
-                }
-            }
-            if (gotProgramBinary)
-                break;
-        }
-
         GLuint shader = rhiD->f->glCreateShader(isVertex ? GL_VERTEX_SHADER : GL_FRAGMENT_SHADER);
         QBakedShader::ShaderSourceVersion ver;
         if (rhiD->ctx->isOpenGLES())

src/shadertools/qbakedshader.h

@@ -63,8 +63,7 @@ public:
         DxbcShader, // fxc
         MslShader,
         DxilShader, // dxc
-        MetalLibShader, // xcrun metal + xcrun metallib
-        OpenGLProgramBinary // stage must be vertex, use version for format
+        MetalLibShader // xcrun metal + xcrun metallib
     };
 
     struct ShaderSourceVersion {

todo.txt

@@ -26,7 +26,6 @@ gl: more ubuf types
 gl: reduce state, reduce texparam
 gl: tex size stuff (npot etc.)
 d3d, gl, mtl: cache shader sources?
-gl: program binary load support
 advanced blend modes?
 resize to 0 width or height fails (vk)
 gl: ubuf structs, arrays
@@ -39,13 +38,11 @@ more tex: 3d, array?
 vk: support instanceStepRate via VK_EXT_vertex_attribute_divisor
 
 shadertools:
-qsb management (merge, delete)? -> could then do a tool to save gl program binaries on target and then merge them to a qsb on the host
-dxc for d3d in addition to fxc?
+bytecode (fxc/dxc) for d3d?
+bytecode for metal?
 hlsl -> dxc -> spirv -> spirv-cross hmmm...
 
 +++ done
-bytecode (fxc) for d3d
-bytecode for metal
 vk: im.layout transition missing when no upload, no render to (or is the case invalid?)
 vk, d3d: verify no-color-just-depth again
 preservecolor applies to which att. (all -> fix mtl)

tools/qsb/qsb.cpp

@@ -125,8 +125,6 @@ static QString sourceStr(QBakedShader::ShaderSource source)
         return QStringLiteral("DXIL");
     case QBakedShader::MetalLibShader:
         return QStringLiteral("metallib");
-    case QBakedShader::OpenGLProgramBinary:
-        return QStringLiteral("glProgramBinary");
     default:
         Q_UNREACHABLE();
     }
@@ -182,8 +180,6 @@ static void dump(const QBakedShader &bs)
         case QBakedShader::DxilShader:
             Q_FALLTHROUGH();
         case QBakedShader::MetalLibShader:
-            Q_FALLTHROUGH();
-        case QBakedShader::OpenGLProgramBinary:
             ts << "Binary of " << shader.shader.size() << " bytes\n\n";
             break;
         default: